Incorporate IBM accessibility checker into the test suite

[Fryguy]

https://github.com/IBMa/equal-access is an automatable accessibility checker. More details on their website: https://www.ibm.com/able/toolkit/. You can see it used in a recent PR via the browser plugin in #8583.

We should investigate adding it to the automated tests. Since it appears to need a UI driver, this may have to depend on completing cypress first.

[miq-bot]

This issue has been automatically marked as stale because it has not been updated for at least 3 months.

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[miq-bot]

This issue has been automatically marked as stale because it has not been updated for at least 3 months.

If you can still reproduce this issue on the current release or on master, please reply with all of the information you have about it in order to keep the issue open.

Thank you for all your contributions! More information about the ManageIQ triage process can be found in the triage process documentation.